Numbers 26:10

KJV_Strongs⁽ⁱ⁾

10 H776 And the earth H6605 opened [H8799] H6310 her mouth H1104 , and swallowed them up [H8799] H7141 together with Korah H5712 , when that company H4194 died H784 , what time the fire H398 devoured [H8800] H3967 two hundred H2572 and fifty H376 men H5251 : and they became a sign.

Online Parallel Study Bible

earth opened.
Numbers 16:2; Numbers 16:31-35; Numbers 16:38; Numbers 27:3; Exodus 16:35; Psalms 106:17; Psalms 106:18
together.The Samaritan text does not intimate that Korah was swallowed up, but that he was burnt, as appears to have been the fact; and the Psalmist also, (Ps 106:17,) only mentions Dathan and Abiram as having been swallowed up. "And the earth swallowed them up, what time that company died; and the fire devoured Korah with the 250 men, who became a sign."
they became a sign.
Numbers 16:38; 1 Samuel 2:34; Jeremiah 29:22; Ezekiel 14:8; 1 Corinthians 10:6-10; 2 Peter 2:6; Jude 1:7